Dr. Joel Kostka

Professor

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Biography

Joel Kostka is a professor in the School of Earth and Atmospheric Sciences at the Georgia Institute of Technology. He focuses on the biological aspects of the Earth's systems, including microbial ecology and biogeochemistry. His research investigates the interactions between microbial communities and their environment, with applications in environmental sciences and biotechnology. Kostka is recognized for his contributions to understanding the roles of microorganisms in nutrient cycling and the impacts of environmental changes on these processes. His work often combines field studies, lab experiments, and theoretical modeling to address complex ecological questions.

Research Interests

Requirements for Georgia Institute of Technology

Doctorate Program
Requirements
GPA Requirement
Required:3.5
TOEFL
Listening
Required:19
Reading
Required:19
Writing
Required:19
Speaking
Required:19
Total
Required:100
IELTS
Listening
Required:6.5
Reading
Required:6.5
Writing
Required:5.5
Speaking
Required:6.5
Overall
Required:7.5
Prerequisites
Undergraduate degree in computer science or related field
Application Checklist
  • Online application
  • Official transcripts
  • Three letters of recommendation
  • Statement of Purpose
Specialization Notes

Department of Computer Science: GRE scores are optional for Fall 2026.